def smi_to_srt(sub_path):
def _detect(file_path):
detector = UniversalDetector()
fp = open(file_path, 'rb')
for line in fp:
line = line.replace(b'\r', b'')
detector.feed(line)
if detector.done:
break
fp.close()
detector.close()
return detector.result['encoding']
srt_path = new_temporary_file('.srt')
tmp_sub_path = new_temporary_file('.smi')
char_type = _detect(sub_path)
context = open(sub_path, 'r', encoding=char_type, errors='ignore').read()
open(tmp_sub_path, 'w', encoding='utf8').write(context)
sub_path = tmp_sub_path
cmd = ['/usr/local/bin/ffmpeg', '-y',
'-i', sub_path,
srt_path]
processutil.call(cmd)
return srt_path
def get_mean_volume(src):
ret, out, err = processutil.call(['/usr/local/bin/ffmpeg', '-i', src, '-af', 'volumedetect', '-f', 'null', '/dev/null'])
vol_info = err
vol_info = vol_info[vol_info.find('mean_volume:'):]
vol_info = vol_info[:vol_info.find('\n')]
return float(vol_info.split(' ')[1])
def execute(self):
processutil.call(self.command)
return self.command[-1]
def change_container(src, container):
dst = new_temporary_file(container.extension)
processutil.call(['/usr/local/bin/ffmpeg', '-y', '-i', src, '-map', '0', '-c', 'copy', dst])
return dst
